Analysis

  • max time kernel
    51s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    19/07/2024, 13:15

General

  • Target

    9cf88785ae1d80242f40daf67e1e2b70N.exe

  • Size

    45KB

  • MD5

    9cf88785ae1d80242f40daf67e1e2b70

  • SHA1

    e3ca89076afda7cee8af711df79a75d1313b4168

  • SHA256

    475139330dafb29f9d36b121d926c6d72429a69bde8fc583f2cc63553ef00b22

  • SHA512

    db02f2c7b0bde78bab5dab5dd597ab37eb47b112268978998593a5f1117b28e631d95a36c09a9909e7b3de6b69995cccbe337ec04fabda068800f0ba046ecdda

  • SSDEEP

    768:8V5hy+7c6OXdfwEQ90NoZCi5TXbRzjEDta8jFqjsZvI2YxrQiP+ZRDd+RYTl/iUr:8h7xsCKosi5pzjIcdRiTpqMGxs37

Score
8/10

Malware Config

Signatures

  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 6 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 12 IoCs
  • Modifies registry class 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9cf88785ae1d80242f40daf67e1e2b70N.exe
    "C:\Users\Admin\AppData\Local\Temp\9cf88785ae1d80242f40daf67e1e2b70N.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe
      2⤵
        PID:2824
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\123.bat
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2400
        • C:\Windows\SysWOW64\reg.exe
          reg add "hklm\software\microsoft\windows nt\currentversion\Image File Execution Options\ZhuDongFangYu.exe" /v debugger /t reg_sz /d "ntsd -d" /f
          3⤵
          • Event Triggered Execution: Image File Execution Options Injection
          PID:3228
        • C:\Windows\SysWOW64\reg.exe
          reg add "hklm\software\microsoft\windows nt\currentversion\Image File Execution Options\360tray.exe" /v debugger /t reg_sz /d "ntsd -d" /f
          3⤵
          • Event Triggered Execution: Image File Execution Options Injection
          PID:3240
        • C:\Windows\SysWOW64\reg.exe
          reg add "hklm\software\microsoft\windows nt\currentversion\Image File Execution Options\taskmgr.exe" /v debugger /t reg_sz /d "ntsd -d" /f
          3⤵
          • Event Triggered Execution: Image File Execution Options Injection
          PID:3248
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c assoc .txt = exefile
        2⤵
        • Modifies registry class
        PID:3080
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype comfile=C:\Users\Admin\AppData\Local\Temp\9cf88785ae1d80242f40daf67e1e2b70N.exe
        2⤵
        • Modifies system executable filetype association
        • Modifies registry class
        PID:3092
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype zipfile=C:\Users\Admin\AppData\Local\Temp\9cf88785ae1d80242f40daf67e1e2b70N.exe
        2⤵
        • Modifies registry class
        PID:3100
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype jpgfile=C:\Users\Admin\AppData\Local\Temp\9cf88785ae1d80242f40daf67e1e2b70N.exe
        2⤵
        • Modifies registry class
        PID:3108
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype txtfile=C:\Users\Admin\AppData\Local\Temp\9cf88785ae1d80242f40daf67e1e2b70N.exe
        2⤵
        • Modifies registry class
        PID:3116

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\123.bat

            Filesize

            443B

            MD5

            70170ba16a737a438223b88279dc6c85

            SHA1

            cc066efa0fca9bc9f44013660dea6b28ddfd6a24

            SHA256

            d3674f4b34a8ca8167160519aa5c66b6024eb09f4cb0c9278bc44370b0efec6a

            SHA512

            37cc8c954544374d0a1ca4d012c9bd0b47781bc9bb8d0c15a8a95b9934893db3bedee867b984c20edabe54c39574abf7250de433aade6c0d544b8dd2c972c6da

          • C:\Program Files\7-Zip\7zG.exe

            Filesize

            45KB

            MD5

            a30c59279ad1c1a83fde6a30dfd8cabe

            SHA1

            60cd2e92f2f0b2c30ea30e35e03ec75e135df304

            SHA256

            babde96824e2a06c62ffc80febd107bb9a1c1f0456e838d241bb47b38f063c12

            SHA512

            8e7fa7255ed2ceffc305a6a839ff98c9a56583698e8e95b55b2582ba8f59df28928a6fa44cbedebff7a3bf8eb3a2fb22759c4b2d3510dbedbbadd42d04b6569d